Individual provider Active NPI

Mark Jeranko, D.O.

  • Rheumatology Physician
  • Loveland, CO
National Provider Identifier
1114304573
Registry record updated Apr 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
DR.0064290 Issued in CO
Practice address
2500 Rocky Mountain Ave Ste 2200
Loveland, CO 80538-9004
Phone
(970) 652-2333
Fax
(970) 593-9731
NPI assigned
May 5, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 5101021529 MI
Rheumatology Physician 207RR0500X DR.0064290 CO Primary

Addresses

Primary practice location

2500 Rocky Mountain Ave Ste 2200
Loveland, CO 80538-9004

Mailing address

2500 Rocky Mountain Ave Ste 2200
Loveland, CO 80538-9004
Phone (970) 652-2333

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200714000492 CO Practitioner - Rheumatology 2466746672 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
Kansas City University of Physicians and Surgeons, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Poudre Valley Medical Group LLCGroup PAC ID 9638208549, 2,425 clinicians
Colorado Arthritis CenterGroup PAC ID 5698665628, 8 clinicians

Practice addresses (Care Compare)

2500 Rocky Mountain Ave
Loveland, CO 80538-9004
Phone (970) 495-7421

701 E Hampden Ave
Suite 410
Englewood, CO 80113-2760
Phone (303) 788-1312

Hospital & facility affiliations

  • Medical Center of the Rockies Hospital, Loveland, CO, CCN 060119
  • Poudre Valley Hospital Hospital, Fort Collins, CO, CCN 060010

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Colorado Arthritis Center CurrentSince Apr 17, 2023 Accepting new patients

Locations

701 E Hampden Ave
Ste 410
Englewood, CO 80113
Phone (303) 788-1312

9197 Grant St
Ste 120
Thornton, CO 80229
Phone (303) 788-1312

Interoperability endpoints

  • Direct secure messaging: mjeranko418879@direct.hfhs.org
  • FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.1239

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 18

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 18

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1430784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1114304573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 ROCKY MOUNTAIN AVE STE 2200",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805389004",
            "telephone_number": "970-652-2333",
            "fax_number": "970-593-9731"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 ROCKY MOUNTAIN AVE STE 2200",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805389004",
            "telephone_number": "970-652-2333",
            "fax_number": "970-593-9731"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JERANKO",
        "first_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-05-05",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MI",
            "license": "5101021529",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CO",
            "license": "DR.0064290",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Loveland, CO

Sources for this page

Verify at the official NPI Registry.